20478522075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{467}}^1\times {\mathrm{2311}}^1$

素因数の和:2825

約数の個数: 96

約数和(自身を含む): 38640955392

約数和(自身を除く): 18162433317

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 69, 75, 115, 165, 253, 275, 345, 467, 575, 759, 825, 1265, 1401, 1725, 2311, 2335, 3795, 5137, 6325, 6933, 7005, 10741, 11555, 11675, 15411, 18975, 25421, 25685, 32223, 34665, 35025, 53153, 53705, 57775, 76263, 77055, 118151, 127105, 128425, 159459, 161115, 173325, 265765, 268525, 354453, 381315, 385275, 584683, 590755, 635525, 797295, 805575, 1079237, 1328825, 1754049, 1772265, 1906575, 2923415, 2953775, 3237711, 3986475, 5396185, 8770245, 8861325, 11871607, 14617075, 16188555, 24822451, 26980925, 35614821, 43851225, 59358035, 74467353, 80942775, 124112255, 178074105, 273046961, 296790175, 372336765, 620561275, 819140883, 890370525, 1365234805, 1861683825, 4095704415, 6826174025, 20478522075]

約数ペア:

[(1, 20478522075), (3, 6826174025), (5, 4095704415), (11, 1861683825), (15, 1365234805), (23, 890370525), (25, 819140883), (33, 620561275), (55, 372336765), (69, 296790175), (75, 273046961), (115, 178074105), (165, 124112255), (253, 80942775), (275, 74467353), (345, 59358035), (467, 43851225), (575, 35614821), (759, 26980925), (825, 24822451), (1265, 16188555), (1401, 14617075), (1725, 11871607), (2311, 8861325), (2335, 8770245), (3795, 5396185), (5137, 3986475), (6325, 3237711), (6933, 2953775), (7005, 2923415), (10741, 1906575), (11555, 1772265), (11675, 1754049), (15411, 1328825), (18975, 1079237), (25421, 805575), (25685, 797295), (32223, 635525), (34665, 590755), (35025, 584683), (53153, 385275), (53705, 381315), (57775, 354453), (76263, 268525), (77055, 265765), (118151, 173325), (127105, 161115), (128425, 159459)]